Safety device for pulleys.



W; SGHOEPKE. SAFETY DEVICE POR PULLEYS. APPLICATION FILED JAN. s ma.

Patented Feb. 17, 1914.

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T0 all wim/m, 1i may @012,081 e Be it known inlaat l, lfVILmMi denomina, a citizen oil the llniecl Stsxles,`1ee1cl1i1g al1 Hartland, in elle eeunlff7 eli lllelfleni f and State 0I lliineis nave in'lf'entecl new and ueeul lnipmveinens in Safety Dei'ieee fel' Pulleys, of vWille-ll elle following is a speelication. .i This, invention relates te u safety device fer pulleys, and liae fel' an object to provide a protective gaand which ie adapted. te ee applied 0 pulleys, and.' in particular to l'i-ietion clutch pulleys, fel: elellecting the eelt from lie pulley, when has become clieengaged from The seme, se 'te pi'event its becoming. entanglei Within lille i'ietien elneli mechanism.

In the use eli 'friction eluteli pulleys, when the liell; slips eff elle jgmlley foi? any reason, il, invariably beeen'ies engaged Willi lle Open ating hund Wlieel er eltliei parle eil' lille eluleli nieelimiism, illus eeueiiw eonaifflelralnle laniage t0 lille ineeliinejy illi wliicli llie pulley is used, and ai'y ille e me time ei'ulafugei'ingg; the lives el' Julie alle lanfe. il. further: object el 'lue iaveulzieie l'liie .previeien el a eetlE fleviee el lilas eliaiaeley which is 'aclllp'efl te lie alfaelieil ieailily te any pulley, anel w'liieli may be :ieaclily' ileteeliecl therefrom ivliei'ievei' desired.

A still fiulliei elejeel; ie te pini/ille safety device of Simple construction anil lew nails, which may be L'l'ieajpljy' infin viiaeirufeil and Will be Veiy dui'elale :mel ellleient in use.

vlhe invention eeueiele in ille construction, eenibinelien anni arrangement .of parte, lieeinaftei lf'ully eleeeiiliefl nml Claimed, reference beine liaifl te ille aeeenipenying; drawings, iu ja'liieh:

Figuie l is e siele elevation eiif llliefleviee in use uilen a :l'iielfien eA li pulley; l" l e l'egeiienlgaiy lient elevation of elle same; 3 ie a delai perspeelive view el' the guaecl inembei; ane, Fie; l ie e siinilain View of tlle atleeliingf member.

ln tlie liewing, l clesignaeee e pulley, which in Ellis particular inelmnce ie eil' lllie friction. elueli lype, anfl wliieliie adapted.

llllv lle le be ueecl in. connection Willi an engine, er other prime mover, This pulley ie necessarily nl 'lecl Wil'i an operating' filiale@ and leancl Wheel 3 upon ene siffle lzlieieei. es

ley which elle lirietien eluleli mee-lieniem el' 'the saiel 'pulley inf e be uelerl 'te eeiineel: pi'illef,y irililljf "ee elle elw/i i Sneeifleation of Letters Patent.

of the safely fleif'iee Patented ll', lill/L implication filed January 3, 1913. Seial No. 'flla upon which il' is immunized, nl' le render ils eonneelien therewith loose. illy safely device er pi'eleetive guaird includes an annulaiatlzaeliine; member 6 Wliieli ie ai'jlapleil te be segui-ml le llie smiles 7 O tile pulley i within ile'rin'i S by ineens of the Ubelte 9, and au euuvai'clly-tapered, lii'usie-eenieal shell ei' guard nien'i'nei l0, Ywliieli laier riveted 0i.' secured in any eiliei suilable manner to the exlei'ieily preject-ing beveled flange lil previ( esl upon 'Elie attaching member 6. 'Vllxe guard in 1G 'i e'ni'ejleet eulwei'rfllj.' lie Snell a dielay --"fioulfl llie belt slip ell the rim el; lilie 'pulley ou \\aifilly tliei'efi'eei, il: will lieeeine ene' with the said giuxml nieinliei and will lelleetecl outwardly from l'lie pulley wielie'u'e beeeining engv il willi any parl; elf eluteli ziipei'ai'ing nieeliz'iniern. 'l'lie 011i of (lie guardniemeer l0 is eliggn ly lelfgfei i ilianiezei' llian lille lianfl 'wlieel 3, :se as Le allei'il euflleieul espace llie in fen el alle alleiulanlle liingei's in l'lie a ine; said lianil wllee le e'llieel:

nel lien lb is te lie unile steed time lie scribed safety ileriee is to be eenetruelxeel eil" 'Very dui-able material, 'gm- :ably east steel, ee that il will ne wie] ilumine 'will wil1l1- slanci tlie eli'ain eil 'the belt upon ile beeeni ing enga willi plie same. ee llial; lille sai eelt will lie j i1'ei;ieily fleileeteil from pulleyr lllliwi elle guai@ meniliei leeel'iniie;y excess" lelv min il, may lie letaeliecl fifen t etleehii'ie* member and new f ueicl i'aiembei euloeiiitulzecl lieleffm lliain il i'iegiiing deeeriplion, ill will be eviden; that l lieve pio" flefl an ile/lent if (leviee el nifeleel," ejueifl n te any ferm el 'pu... ej\,, laut all i is eepeeially applicable m friction eluleli pulleys, in alle use egli Wliieli there meet (langer iaeicl Wil/l1 *lie deleelin'ienl; ille lielt iiiion'i the 'pull iizn,A

lllf'liai; is claimed l. .ln a device delle clase eleseiibe eemliiual'len ,Yiili a shall; sind e inountecl lei'ininally thereon, el? a. memberv tliei'eifai eenipi'ising" lashing; meinen?, ineen, el? the enfui member lie llie gaulle)4v inwaiel 0l2 ile itin, en iimiwailly y 'feeling' [lange eiu'iefl Saul attaching ii'ieineeu, enel a liellmv, 3^ cenieal .eecly limiug belli @nu large end of the body being secured to the flange of the attaching member.

2. In a device of the class described, the combination with a shaft and a pulley mounted terminally upon said shaft, of a guard therefor comprising an annular at- .taching member adapted to be mounted against the spokes of the pulley inward of its rim, the said member being provided with a plurality of circumferentiallyv spaced pairs of openings, a plurality of U-shaped attachin bolts adapted for engagement with the pu ley spokes, each boltl being adapted to member,

have its free ends engaged within the openings o one of the and a hollow frusto-conical guard member larger end of the guard member' being connected with the attaching member to project axially therefrom.

In testimony whereof I aix my signature in presence of two Witnesses.

WILLIAM SCHOEPKE.

fitnesses PETER KATZ, FRANK KATZ.

pairs in the said attaching 15 having both of its ends open, the 

